Fuel tank cap



FIG. 1 is a front, right, top, side, perspective view of a fuel tank cap, configured in accordance to the present invention.

FIG. 2 is a front elevation view of the fuel tank cap of FIG. 1, with the rear elevation view being a mirror image;

FIG. 3 is a right side elevation view of the fuel tank cap of FIG. 1, with the left side elevation view being a mirror image;

FIG. 4 is a top plan view of the fuel tank cap of FIG. 1; and,

FIG. 5 is a bottom plan view of the fuel tank cap of FIG. 1.

The stippled shading represents a contrast in appearance. 

CLAIM The ornamental design for a fuel tank cap, as shown and described. 